#include "function.h"

int fun(int*sum1,int*sum2)
{
    int temp;
    temp =*sum1;
    *sum1=*sum2;
    *sum2=temp;
    return *sum1,*sum2;

}

void fun1()
{
    printf("wqrrt\n");
}
void fun2()
{
    printf("nihao\n");
}